Update to Kotlin 2 (#535)

Author: LarsSven

.github/workflows/ci.yml

@@ -50,7 +50,7 @@ jobs:
     strategy:
       matrix:
         mock-maker: ['mock-maker-default', 'mock-maker-inline']
-        kotlin: ['1.9.20']
+        kotlin: ['2.1.20']
         # Note that the old Travis CI referenced other Kotlin versions: '1.0.7', '1.1.61', '1.2.50'
         # However, those versions of Kotlin don't work with latest Gradle
 

build.gradle

@@ -4,7 +4,7 @@ plugins {
     id "org.shipkit.shipkit-github-release" version "1.2.0"
     id "org.shipkit.shipkit-auto-version" version "1.2.2"
     id "io.github.gradle-nexus.publish-plugin" version "1.3.0"
-    id "org.jetbrains.kotlin.jvm" version "1.9.20" apply false
+    id "org.jetbrains.kotlin.jvm" version "2.1.20" apply false
     id "org.jetbrains.dokka" version "1.9.10" apply false
 }
 

gradle/wrapper/gradle-wrapper.jar

@@ -1,5 +1,6 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.1-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.13-bin.zip
+networkTimeout=10000
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists